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3 years ago

Whats 9×7 I need to know please and thank you

Mathematics

2 answers:

lana [24]3 years ago

6 0

The answer to 9×7 would be 63

tia_tia [17]3 years ago

5 0

9x7 is 63.

This is an easy way to do multiplication with the 9. Hold out both hands and let’s say we want to figure out what 9x5 is. Put down the 5th finger, there will be 4 fingers left on one hand and 5 fingers on the other. Your answer would be 45. For this problem, put down the 7th finger and you get 6 on one side and 3 on the other side.

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Is X-1 a factor of x^5-1?

Musya8 [376]

Answer: No

Explanation:

According to factor theorem, if f(x)=0 then x is a factor of the given function or equation.

As x-1 is a factor

We equate x-1=0

x=1

Substituting in x^5-1, we have 1^5-1 =1-1=0.

Hence, it's a factor.

When coming to x^5+1, it would become 1^5+1=1+1=2

So x-1 isn't a factor of x^5+1.

4 0

2 years ago

These angels are equal. What are they called?

Yanka [14]

Acute angles because they are less then 90 degrees which is a right angle.

7 0

3 years ago

What is the relationship between the 6s in 66,0472

vagabundo [1.1K]

They are both in the thousands places

5 0

3 years ago

6m+4=8m then 4 m. What is the answer

tekilochka [14]

6m+4 = 8m

8m-6m = 4

2m = 4

m = 2

if you are asking for 4m, then it would be 4(2) = 8

5 0

3 years ago

The square of a number is 12 less than 7 times the number. What is the number?

hjlf

Answer:

The number is either 3 or 4

Explanation:

Assume that the number we are looking for is x

The square of the number would be x²

7 times the number would be 7x

We are given that:

square of the number (x²) is 12 less than 7 times the number (7x)

Translating this into an equation, we would have:

x² = 7x - 12

Rearranging the quadratic equation:

x² - 7x + 12 = 0

Now, we factor the equation:

(x-4)(x-3) = 0

This means that:

either x-4 = 0 ..................> x = 4

or x-3 = 0 ........................> x = 3

Let's check if any of the solutions is an extrovert:

For x = 3 .............> (3)² = 7(3) - 12 .........> 9 = 21 - 12 .......> 9 = 9 .......> not extrovert

For x = 4 .............> (4)² = 7(4) - 12 .........> 16 = 28 - 12 .....> 16 = 16 ....> not extrovert

Since we have no restrictions on the number, therefore, both solutions would be accepted

Hope this helps :)

7 0

3 years ago